package test11;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class SaleTicket implements Runnable {

    private int ticket = 100;
    Lock lock = new ReentrantLock();

    @Override
    public void run() {

        while (true) {
            try {
                lock.lock();
                if (ticket <= 0) {
                    break;
                } else {
                    Thread.sleep(10);
                    ticket--;
                    System.out.println(Thread.currentThread().getName() + "正在卖票，还剩" + ticket + "张");
                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            } finally {
                lock.unlock();
            }

        }

    }
}
